MC79L15ACDR2G

Voltage Dropout (Max):	1.7V @ 40mA (Typ)
Base Part Number:	MC79L**A
Supplier Device Package:	8-SOIC
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	0°C ~ 125°C
Protection Features:	Over Temperature, Short Circuit
Control Features:	--
PSRR:	39dB (120Hz)
Current - Output:	100mA
Series:	--
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	-15V
Voltage - Input (Max):	-35V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Negative
Part Status:	Active
Packaging:	Tape & Reel (TR)

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MC79L15ACDR2G Application Field and Working Principle

MC79L15ACDR2G, also known as a KA79L15ACDR2G, is a three-terminal positive voltage regulator that is built into a TO-92 package. It is an efficient, linear voltage regulator which is often used to regulate the supply of voltage to devices that require less current than the output of a switching power supply.

Working Principle:

The MC79L15ACDR2G is based on a three-terminal design, and its working principle is very simple. It simply maintains a voltage drop across its terminals, with one of the terminals (Vin) being connected to the power source, and two other terminals (Vout and GND) being connected to the device that requires the regulated voltage.When the voltage on the input side (Vin) is higher than the output side (Vout), the IC will draw current from the input. This current is then regulated by the IC and converted into a regulated output voltage (Vout) which is maintained at the desired value, regardless of the input voltage.The regulation of the IC is done via three internal circuits - the pass transistor, the voltage reference and the error amplifier. The pass transistor acts as an electronic switch, and is responsible for determining the amount of current that flows through the regulator. The voltage reference provides a stable voltage reference to the error amplifier, which compares the output voltage with the voltage reference. The error amplifier then adjusts the pass transistor to make sure that the regulator is providing the desired output voltage.

Application Field:

The MC79L15ACDR2G can be used in a variety of applications, depending on the voltage requirements of the device it is being used with. One of the most common applications for this type of voltage regulator is in computers and other electronic devices that require a stable voltage supply.For example, the MC79L15ACDR2G is commonly used to regulate the +12V supply for a computer’s main board in order to ensure that the electronics contained within the main board run reliably. This regulator can also be used to regulate the supply of circuits such as RAM and ROM, as well as other low-voltage supplies such as +5V, +3.3V, and +1.5V.The MC79L15ACDR2G can also be used in applications such as interactive LED displays and lighting, audio equipment, and automotive applications, among others.

Conclusion:

The MC79L15ACDR2G is a three-terminal voltage regulator that is designed to provide a reliable, cost-effective solution for maintaining a stable supply of voltage to various electronic devices. It is widely used in a variety of different applications, from computers to automotive applications, and its simple design makes it a popular choice for many applications.

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